Select the letter of the response that BEST completes the statement or BEST answers the question. After you have completed all of the exercises, turn to "Solutions to Exercises" at the end of the lesson exercises and check your answers.

For each exercise that you answered incorrectly, reread the material referenced after the solution.

1. A choking child has harsh, high-pitched noises while attempting to breathe. You should:

a. Administer manual thrusts to remove the obstruction.

b. Encourage him to keep coughing.

2. Backblows can be administered to a choking casualty if the casualty is a(n):

a. Adult.

b. Child.

c. Infant.

d. Male.

e. Child or an infant.

3. thrusts are preferred for clearing the airway of a child.

a. Abdominal

b. Chest.

4. You have administered five abdominal thrusts in an unsuccessful effort to remove an airway obstruction in an unconscious child. What should you do next?

a. Administer a blind finger sweep.

b. Administer abdominal thrusts.

c. Administer backblows.

d. Perform a visual check for the obstruction.

5. When administering backblows to an infant, the infant is positioned:

a. Face down on the floor.

b. Face down on the rescuer's forearm.

c. Face up on the floor.

d. Face up on the rescuer's forearm.

6. thrusts are used to clear the airway of an infant.

a. Abdominal.

b. Chest.

7. A choking infant has head injuries from an accident. How will these injuries change the way you attempt to remove the airway obstruction?

a. You will perform abdominal thrusts instead of chest thrusts.

b. You will perform chest thrusts instead of abdominal thrusts.

c. You will not perform backblows.

d. You will not perform finger sweeps.

8. You are going to administer chest thrusts in an effort to expel an obstruction in an infant's airway. When you press down with your fingertips, the sternum should be depressed about:

a. 1/4 inch.

b. 1/2 inch to 1 inch.

c. 1 inch to 1 1/2 inches.

d. 2 inches to 2 1/2 inches.

9. You are going to administer chest thrusts in an effort to expel an obstruction in an infant's airway. The fingertips should be placed:

a. Directly over the casualty's left nipple.

b. Directly over the casualty's right nipple.

c. On the sternum slightly above an imaginary line drawn between the casualty's nipples.

d. On the sternum slightly below an imaginary line drawn between the casualty's nipples.

10. You have unsuccessfully attempted to ventilate an unconscious infant. You should now: